OP8229 Zinc Selenide Window (ZnSe) Dia. 20 mm x Thk. 2 mm, Uncoated

Zinc Selenide Window (ZnSe) Dia. 20 mm x Thk. 2 mm, Uncoated Description

Zinc Selenide (ZnSe) is a widely used infrared material renowned for its broad wavelength range (0.5 μm to 19 μm). With a 20 mm diameter and 2 mm thickness, this uncoated ZnSe window is ideal for advanced laser systems, thermal imaging, and scientific instrumentation. Its low absorption coefficient and outstanding thermal shock resistance ensure stable performance in high-power laser environments, while the polished surfaces provide exceptional clarity and minimal scatter.

Manufactured under strict quality standards, the window undergoes meticulous inspection to meet demanding specifications. Its robust chemical and mechanical properties further extend product life, reducing the need for frequent replacements. Suited for research, industrial, and medical applications, this ZnSe window achieves precision optical performance where reliability and accuracy are paramount.

Zinc Selenide Window (ZnSe) Dia. 20 mm x Thk. 2 mm, Uncoated Applications

Zinc Selenide windows are widely valued for their excellent transmission in the infrared range, high thermal conductivity, and low dispersion. Because they can handle demanding environments and retain optical clarity, they are widely used in industrial, research, and commercial contexts. Our 20 mm diameter x 2 mm thick uncoated ZnSe window stands out for its performance and versatile functionality, making it an essential component for diverse applications.

1. Industrial Applications

·         Application 1: Laser-based cutting and welding – The ZnSe window’s broad infrared transmission supports precise and efficient CO₂ laser operations across various manufacturing processes.

·         Application 2: Industrial thermography – High thermal conductivity and excellent IR clarity make these windows ideal for monitoring production lines and high-temperature environments.

2. Research Applications

·         Application 1: Spectroscopy experiments – Exceptional IR transmission and low dispersion enable accurate spectral analysis of gases and materials in mid-to-long-wave infrared studies.

·         Application 2: Semiconductor characterisation – The window’s chemical stability and optical performance support intricate material examinations and advanced wafer inspections.

3. Commercial Applications

·         Application 1: IR sensors for security – ZnSe windows enhance sensitivity and clarity in security systems by improving infrared signal acquisition.

·         Application 2: Thermal imaging devices – Durable, high-transmittance surfaces ensure reliable performance and consistent image quality in commercial thermal camera housings.

Zinc Selenide Window (ZnSe) Dia. 20 mm x Thk. 2 mm, Uncoated Packaging

Each Zinc Selenide Window is carefully placed within ESD-safe foam inserts and sealed in an airtight pouch to prevent moisture buildup. The packaging includes a sealed plastic container with desiccant to minimise humidity. For optimal shelf life, store in a clean, temperature-controlled environment, away from direct sunlight or dust. Additional contamination-preventing measures, such as double-bagging, are employed. Customised labelling, packaging sizes, and specialised coatings are available upon request.

Packaging: Vacuum sealed, Wooden Box, or Customised.

Zinc Selenide Window (ZnSe) Dia. 20 mm x Thk. 2 mm, Uncoated FAQs

Q1: What are the key material properties of Zinc Selenide Window (ZnSe) Dia. 20 mm x Thk. 2 mm, Uncoated ?

A1: Zinc selenide (ZnSe) windows of 20 mm diameter and 2 mm thickness, uncoated, offer broad infrared transmission from around 0.6 to 16 µm. They have low absorption, high thermal shock resistance, and good mechanical stability. With a refractive index near 2.4, these windows are well-suited for high-power laser applications. They do, however, require careful cleaning and handling to preserve their exceptional optical properties.

Q2: How should these uncoated ZnSe windows be handled and stored?

A2: Zinc selenide is relatively soft and requires careful handling to prevent scratches or cracks. Always use clean, lint-free gloves and store the window in a protective container free of moisture and particulate contamination. Avoid contact with harsh chemicals or solvents that might degrade the surface. For cleaning, use approved optical cleaning solutions and gentle wiping techniques to maintain optimal transmission and surface quality.

Q3: Which quality standards and certifications apply to Zinc Selenide Window (ZnSe) Dia. 20 mm x Thk. 2 mm, Uncoated ?

A3: Zinc selenide windows must conform to strict optical and mechanical standards to ensure consistent performance and safety. Common qualifications include ISO 10110 for optical components, which addresses scratch-dig specifications, surface quality, and dimensional tolerances. Some manufacturers may also pursue certifications such as RoHS compliance and relevant military standards for laser-grade optics. Quality assurance typically involves thorough inspection, testing, and documentation.

Related Information

1. Material Properties and Advantages

Zinc Selenide windows with a 20 mm diameter and 2 mm thickness combine excellent optical clarity with a low absorption coefficient, making them a favoured choice for diverse infrared applications. Because ZnSe is transparent from the visible spectrum into the infrared range, these windows can be employed in multispectral systems where broad wavelength coverage is essential. This versatility is further enhanced by their wide transmission spectrum, which typically extends from 0.5 µm up to 19 µm.

Users benefit not only from the strong mechanical resilience of ZnSe but also from its natural chemical stability, making these uncoated windows reliable in demanding environments. Their design helps to minimise optical distortion and maintains high transmittance, even under fluctuating temperatures. Consequently, the uncoated ZnSe window, measuring exactly 20 mm in diameter by 2 mm in thickness, is a highly dependable component for intricate laser setups and advanced optical assemblies.

2. Applications in Advanced Industries

Laser processing techniques frequently incorporate uncoated ZnSe windows to achieve optimal energy throughput in cutting, welding, and engraving operations. This window’s large aperture-to-thickness ratio allows for precise beam transmission with minimal diffraction effects, ensuring that laser systems remain efficient and accurate over sustained periods of operation. The uncoated surface also preserves more of the material's native broadband transmission, catering to specialised applications that demand versatile optical performance.

Semiconductor manufacturers rely on ZnSe windows for inspection systems where clarity and accuracy are paramount. In the defence sector, these windows are used in thermal imaging devices and high-precision targeting apparatus, capitalising on ZnSe’s ability to endure harsh conditions without sacrificing transparency. This blend of adaptability and resilience makes the uncoated ZnSe window an invaluable asset in advanced industries that demand pristine optical integrity.